La génération automatique d'affiche a rencontré un problème: <HR>
<PRE>This is pdfTeXk, Version 3.141592-1.40.3 (Web2C 7.5.6)
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entering extended mode
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LaTeX2e <2005/12/01>
Babel <v3.8h> and hyphenation patterns for english, usenglishmax, dumylang, noh
yphenation, arabic, basque, bulgarian, coptic, welsh, czech, slovak, german, ng
erman, danish, esperanto, spanish, catalan, galician, estonian, farsi, finnish,
 french, greek, monogreek, ancientgreek, croatian, hungarian, interlingua, ibyc
us, indonesian, icelandic, italian, latin, mongolian, dutch, norsk, polish, por
tuguese, pinyin, romanian, russian, slovenian, uppersorbian, serbian, swedish, 
turkish, ukenglish, ukrainian, loaded.
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Document Class: article 2005/09/16 v1.4f Standard LaTeX document class
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! Undefined control sequence.
l.109 ...ial sphere as well as their $SL(2,\mathbb
                                                   C)$ Lorentz quantum
? 
! Emergency stop.
l.109 ...ial sphere as well as their $SL(2,\mathbb
                                                   C)$ Lorentz quantum
Output written on poster.dvi (2 pages, 5792 bytes).
Transcript written on poster.log.
</PRE> <HR> Si vous en avez la possibilité,
merci de bien vouloir corriger les informations erronées.